Pith Number

pith:EHZONBWV

pith:2017:EHZONBWVLPNNCKHF5YWBBPDLSF

not attested not anchored not stored refs pending

Zampa's systems theory: a comprehensive theory of measurement in dynamic systems

Dalibor Stys, Jan Urban, Renata Rychtarikova

arxiv:1705.04832 v2 · 2017-05-13 · cs.OH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHZONBWVLPNNCKHF5YWBBPDLSF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:13:37.862618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f2e686d55bdad128e5ee2c10bc6b9150e9269aa533d6815252a1e622af20ed

Aliases

arxiv: 1705.04832 · arxiv_version: 1705.04832v2 · doi: 10.48550/arxiv.1705.04832 · pith_short_12: EHZONBWVLPNN · pith_short_16: EHZONBWVLPNNCKHF · pith_short_8: EHZONBWV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EHZONBWVLPNNCKHF5YWBBPDLSF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 21f2e686d55bdad128e5ee2c10bc6b9150e9269aa533d6815252a1e622af20ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "383b063a16e95526397faac5991edd5e1fee9286dfe26afe647cea499b70f43b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2017-05-13T14:10:47Z",
    "title_canon_sha256": "43b4c05197c8990a062161be19bb3faece5380c497d73ed0c5db69d21e4cd25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04832",
    "kind": "arxiv",
    "version": 2
  }
}